Kelford B58 Supra Valve Springs and Retainers MkV A90 2021+ B58B30TU Gen 2
Kelford Toyota Mark 5 Supra / BMW B58 Performance Camshafts
STAGE 1: 270°/268° cams to suit Gen 2 B58 engine with bolt on intake, exhaust and turbo upgrades. For an engine producing around 550-750hp running a 58-68mm turbo. Still maintains full use of Valvetronic and Double VANOS for good throttle response and wide power band. Must have valve spring upgrade
STAGE 2: 285°/280° stage 2 racing cams for professionally built BMW Gen 2 B58 engine making 750hp-1000hp. Turbo sizing 62-72mm. Great with aftermarket intake plenums. Still can maintain full use of Valvetronic and Double VANOS. Can run Valvetronic locked in full open position when using an aftermarket throttle body. Must have valve spring upgrade.
STAGE 3: 288° Stage 3 drag racing cams for professionally built B58 Gen 2 engines making 1200hp+. Turbo sizing 72mm+ on high boost. Fuel type ethanol blend or methanol. Must use aftermarket high flow plenum with a throttle body conversion. Recommend locking the Valvetronic system at 100% swing. Must have valve spring upgrade.
Optional, but required: High performance progressively wound PACALOY™ beehive valve spring and Titanium Retainer Kit. This kit was engineered to match our camshafts for ultimate quality performance and reliability.
- 90lb seat pressure @ 36.5mm Installed height
- 93lb @ 11mm valve lift
- Coil bind is at 23.6mm
- Shipping info
We deliver worldwide
- Payment methods
Most product ships from either the manufacture or largest wholesale location to pass the saving to you. Most orders will ship via UPS, as we will be able to provide the best rates and have had the least issues when using UPS.
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